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Derby Worx Pro RSN-X Razor Xtreme Wheels with needle axles (Set of 4) - RSNX01

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Product Description

The RS Razor Xtreme Wheel is the world's most advanced Pinewood Derby Car Racing Wheel to date. With features like perforated wheels that are extremely light weight, the Patent-Pending Anti-Friction Inner Strip, A-Cad engineered design for perfect balance and machined from Delrin on a CNC for exacting tolerance, the Derby-Worx Pro RS Wheel is ready to run. Just add your choice of lubricant. Derby Worx has created a needle axle version of the highly popular RS wheel for even greater speeds. Less Surface Contact per Rotation equals greater speeds. The regular outlaw wheels have a linear contact between the wheel bore and the axle per revolution of .289 inches. Due to the smaller bore size, these needle wheels have a linear contact of 0.126 inches, a 56% reduction in surface contact per revolution. Over the course of a 32 foot track (actual distance traveled is about 27 feet); this results in a reduction of over 44 inches of linear contact ! Now that is FAST!!! Check your local rules to see what wheels are permitted.

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